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World’s biggest cement producers bet on green alternative

Holcim and CRH announced a $75 million investment.

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Two of the world’s biggest cement producers, Holcim AG and CRH PLC, are investing in a startup attempting to decarbonize the cement production process. Cement and concrete are responsible for about 8% of emissions, more than any other industrial sector.

Holcim and CRH announced a $75 million investment into Sublime Systems, including a promise to purchase green cement from the startup’s pilot facilities and to work with Sublime on additional plant sites. (CRH invested through its venture arm.) Somerville, Massachusetts-based Sublime has developed an electrochemical method of cement production that avoids the process of heating up limestone with kilns powered by fossil fuels.

Reducing cement emissions has long been a technological and economic challenge. Cement is essential to making concrete, and to roads, buildings and other critical infrastructure. But the material’s production generates carbon dioxide emissions from burning fuel (often coal) to heat kilns, from the decomposition of limestone and from quarrying, grinding and transforming the materials.

In tests at its 250-ton-per-year pilot plant, Sublime has been able to demonstrate a 90% reduction in CO2 emissions compared to traditional concrete, according to Leah Ellis, co-founder and chief executive officer. The company is developing a commercial plant in Holyoke, Massachusetts, that would have a capacity of 30,000 tons per year and is set to be completed in 2026. The Energy Department’s Office of Clean Energy Demonstrations will fund up to 50% of that plant’s construction.

Ellis said Sublime’s goal is to provide its technology to larger cement companies with existing infrastructure and supply chains, which would either build new cement plants with the tech or retrofit old ones.

While Sublime’s process generates far fewer emissions, there are many hurdles the company and others like it need to overcome before they can commercialize successfully. One major limitation is the significant capital costs associated with retrofitting cement plants — often large, custom operations — or building new ones.

Another is demand: Low-carbon cement remains more expensive, on average, than traditional cement, making it a hard sell for a construction industry that already operates on razor-thin margins. New regulations, including New York’s mandate for state agencies to buy clean concrete, could help boost demand, said Ash Lauth, a senior campaign strategist for the global cement initiative at Industrious Labs, a US-based nonprofit focused on industrial decarbonization. But the industry still has a long way to go: Last week, Industrious Labs published an analysis that gave Holcim a “D” grade on its sustainability efforts.

“While we’re encouraged that Holcim is investing in Sublime’s innovative technology, we also still want them to show up for the rest of the ways to decarbonize… and work towards issuing a clear and transparent plan for how they’re going to decarbonize their existing US fleets,” Lauth said. Nollaig Forrest, Holcim’s chief sustainability officer, said Holcim is among “the only players in our sector that really takes a whole value chain approach to decarbonizing building at scale.”

The investment from Holcim and CRH brings Sublime’s total funding to over $200 million since its founding in 2020. It’s another signal of confidence in the startup, which was one of six projects selected for the Energy Department’s $1.6 billion program to fund cement and concrete decarbonization.

Concrete

Cement Margins to Erode as Energy Costs Rise: CRISIL

CRISIL warns of 150–200 bps margin decline this fiscal

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Crisil Intelligence (CRISIL) released a report on April 13, 2026, indicating Indian cement manufacturers face margin erosion of 150–200 basis points this fiscal, reducing operating margins to between 16 per cent and 18 per cent. The firm noted that this represents a reversal from the prior year when margins expanded by 260–280 basis points. The analysis attributed the shift to rising input costs despite steady demand.

The report said that power and fuel, which typically account for about 26–28 per cent of production cost, are expected to increase by 10–12 per cent year on year, driven by higher prices for crude oil, petroleum coke and thermal coal. Brent crude was assessed as likely to trade between $82 and $87 per barrel, and industrial diesel prices rose by 25 per cent in March, raising logistics and procurement expenses. Such increases have therefore heightened cost pressures across the value chain.

Producers plan to raise selling prices by one–three per cent, which would put the average retail price of a cement bag at around Rs355–Rs360, according to the report. CRISIL’s director Sehul Bhatt was cited as saying that these hikes will at best offset a four–six per cent rise in production costs, leaving little room for higher profitability. The report added that intense competition and continual capacity additions constrain the extent to which firms can pass on costs.

Demand conditions remain supportive, with CRISIL projecting volume growth of six point five–seven point five per cent this fiscal on the back of accelerated infrastructure projects and steady industrial and commercial consumption. Nonetheless, the pace of recovery is sensitive to developments in West Asia, the speed of government infrastructure execution and monsoon performance. The agency noted that any further escalation in energy prices or delays in project execution would widen margin pressures.

Overall, the sector will continue to grow but with compressed margins as energy cost inflation outpaces the limited ability to raise prices. Investors and policymakers will therefore monitor both input cost trajectories and policy measures aimed at alleviating supply chain constraints.

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Concrete

Haver & Boecker Niagara to showcase solutions at Hillhead

Focus on screening tech, diagnostics and quarrying efficiency

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Haver & Boecker Niagara will showcase its mineral processing technologies at Hillhead 2026, scheduled from June 23–25 in Buxton, UK.
At Stand PA3, the company will present its end-to-end solutions including screeners, screen media and advanced diagnostics, with a focus on improving efficiency, uptime and throughput for aggregates producers.
Highlighting its screen media portfolio, the company will feature Ty-Wire media with hybrid design offering up to 80 per cent more open area, alongside FLEX-MAT® solutions designed to enhance wear life and throughput while reducing blinding and clogging.
The showcase will also include its PULSE Diagnostics suite, comprising vibration analysis, condition monitoring and impact testing, aimed at assessing equipment health and preventing unplanned downtime.
Commenting on the event, Martin Loughran, Sales Manager, UK & Ireland, said, “Hillhead presents an excellent opportunity for us to demonstrate how we deliver innovative technologies along with long-term service and technical support.”
The company will also highlight its Niagara F-Class vibrating screen, designed to reduce structural vibration and improve operational reliability under demanding conditions.
The participation reflects Haver & Boecker Niagara’s focus on supporting quarrying operations with advanced screening solutions and predictive maintenance technologies.

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Concrete

Siyaram Recycling Secures Rs 21.03 mn Order From Anurag Impex

Domestic Fixed Cost Contract To Be Executed Within Seven Days

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Siyaram Recycling Industries Limited (Siyaram Recycling) has informed the stock exchange that it has secured a purchase order for brass scrap honey from Anurag Impex. The company submitted the intimation on 10 April 2026 from Jamnagar and requested the filing be taken on record. The filing was made under the provisions of regulation 30 of the SEBI listing regulations and accompanying circular. The intimation referenced the SEBI circular dated 13 July 2023 and included an annexure detailing the terms.

The order carries a fixed cost value of Rs 21.03 million (mn) and is to be executed domestically within seven days. The contract was described as a fixed cost engagement and the customer was identified as Anurag Impex. The announcement specified that the order size contributes a short term consideration to the company. Owing to the brief execution window, logistics and dispatch were expected to be prioritised.

The filing clarified that neither the promoter group nor group companies have any interest in the purchaser and that the transaction does not constitute a related party transaction. Details were provided in an annexure and the document was signed by the managing director, Bhavesh Ramgopal Maheshwari. The company referenced compliance with SEBI disclosure requirements in its notification. The notice indicated that no related party approvals were required owing to the nature of the transaction.

The order is expected to provide a modest near term revenue inflow and to be processed within the stated execution window given the nature of the product and the fixed cost terms. Management indicated the contract will be executed in accordance with standard operational procedures and accounting recognition at completion. The development signals continuing demand in the secondary metals market for brass scrap.

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